<template>
  <div id="app">
    <router-view/>
  </div>
</template>

<style>
#app {
  font-family: 'Avenir', Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  /* text-align: center; */
  color: #2c3e50;
}

</style>

<script>
export default {
  name: 'App',
  beforeCreate(){
    
  },
  created () {
    //在页面加载时读取localStorage里的状态信息
    if ( localStorage.getItem("store") ) {
        this.$store.replaceState(Object.assign({}, this.$store.state,JSON.parse(localStorage.getItem("store"))))
    }     
    //在页面刷新时将vuex里的信息保存到localStorage里
    window.addEventListener("beforeunload",()=>{
        localStorage.setItem("store",JSON.stringify(this.$store.state))
    })
  }
}

</script>

